array sort changing curent and old variable

Question

JS Source:

var c1 = [\"Saab\", \"Volvo\", \"BMW\"];
var c2=c1;
c1.sort();
document.getElementById(\"demo\").innerHTML = \'1 -> \'+c1+\'
2 -> \'+c2         


        

Answer 1

Just use slice(0):

var c1 = ["Saab", "Volvo", "BMW"];
var c2=c1.slice(0);
c1.sort();
alert(c1);
alert(c2);

Here a sample:

http://jsfiddle.net/c3161930/

Best regards, Felipe